body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #240229;
}

.loader {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(#14ffe9, #ffeb3b, #ff00e0);
  animation: animate 0.5s linear infinite;
}

@keyframes animate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loader span {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(#14ffe9, #ffeb3b, #ff00e0);
}

.loader span:nth-child(1){
  filter: blur(5px);
}

.loader span:nth-child(2){
  filter: blur(10px);
}

.loader span:nth-child(3){
  filter: blur(25px);
}

.loader span:nth-child(4){
  filter: blur(50px);
}

.loader::after{
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  background: #240229;
  border-radius: 50%;
}